<template>
	<el-container>
		<el-header>
			<div>
				<img src="../assets/shopLogo.png" alt="">
				<span>电商后台管理系统</span>
			</div>
			<el-button type="info" @click="logout">退出</el-button>
		</el-header>
		<el-container>
			<el-aside :width="isCollapse ? '64px' : '200px'">
				<div class="toggle-button" @click="toggleCollapse">|||</div>
				<el-menu background-color="#333744" text-color="#fff" active-text-color="#409eff" unique-opened
					:collapse="isCollapse" :collapse-transition="false" router :default-active="activePath">
					<el-submenu :index="item.id + ''" v-for="item in menuList" :key="item.id">
						<template slot="title">
							<i :class="iconObj[item.id]"></i>
							<span>{{item.authName}}</span>
						</template>
						<el-menu-item :index="'/' + subItem.path" v-for="subItem in item.children" :key="subItem.id" @click="saveNavState('/' + subItem.path)">
							<template slot="title">
								<i class="el-icon-menu"></i>
								<span>{{subItem.authName}}</span>
							</template>
						</el-menu-item>
					</el-submenu>
				</el-menu>
			</el-aside>
			<el-main>
				<router-view></router-view>
			</el-main>
		</el-container>
	</el-container>
</template>

<script>
	export default {
		data() {
			return {
				menuList: [],
				iconObj: {
					'125': 'iconfont icon-user',
					'103': 'iconfont icon-tijikongjian',
					'101': 'iconfont icon-shangpingouwudai2',
					'102': 'iconfont icon-danju-tianchong',
					'145': 'iconfont icon-panhebaobiao'
				},
				isCollapse: false,
				activePath: ''
			}
		},
		created() {
			this.getMenuList();
			this.activePath = window.sessionStorage.getItem('activePath');
		},
		methods: {
			logout() {
				window.sessionStorage.clear();
				this.$router.push('/login');
			},
			async getMenuList() {
				const {
					data: res
				} = await this.$http.get('menus');
				if (res.meta.status !== 200) return this.$message.error(res.meta.msg);
				this.menuList = res.data;
				console.log(res);
			},
			toggleCollapse() {
				this.isCollapse = !this.isCollapse;
			},
			saveNavState(activePath) {
				window.sessionStorage.setItem('activePath', activePath);
				this.activePath = activePath;
			}
		}
	}
</script>

<style lang="less" scoped>
	.el-container {
		height: 100%;
	}

	.el-header {
		display: flex;
		justify-content: space-between;
		align-items: center;
		background-color: #373d41;
		color: #fff;
		font-size: 20px;

		>div {
			display: flex;
			align-items: center;

			span {
				margin-left: 15px;
			}
		}
	}

	.el-aside {
		background-color: #333744;

		.el-menu {
			border-right: 0;
		}
	}

	.el-main {
		background-color: #eaedf1;
	}

	.iconfont {
		margin-right: 10px;
	}

	.toggle-button {
		background-color: #4a5064;
		font-size: 10px;
		line-height: 24px;
		color: white;
		text-align: center;
		letter-spacing: 0.2em;
		cursor: pointer;
	}
</style>
